Genshiken, Danna ga Nani wo Itteiru ka Wakaranai Ken Recommendations
The other title is also a heartwarming slice of life comedy about a normal girl who has a romantic relationship with an otaku, trying to understand him and otaku community. The only differences are that Danna ga Nani wo Itteiru ka Wakaranai Ken is about a married couple (somehow making it all more fun), and the story in Genshiken involves an anime club's life along with the romantic line. Kaoru has a lot similarities with Saki (like strong personality, being a smoker), but she's cuter. However, Kaoru's husband is quite different from Kousaka, being not a popular guy, but your typical hopeless otaku.
-Focus on otaku and how they are different from "normal people"
-Otaku relationships(between a regular person and otaku, in Genshiken there is also some plain otaku couples as well)
-A more "realistic" depiction of otaku characters
-Funny, heartwarming and relatable for otaku